Flow price: --
b446d6e3795f7bbd891603c854b7f97cd6a01bd8617b32ae38cabbbe603daa31

Transaction

Hash: b446d6e3795f7bbd891603c854b7f97cd6a01bd8617b32ae38cabbbe603daa31
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b446d6e3795f7bbd891603c854b7f97cd6a01bd8617b32ae38cabbbe603daa31:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b446d6e3795f7bbd891603c854b7f97cd6a01bd8617b32ae38cabbbe603daa31
Status:
ERROR
Block height:
39979663
Block id:
a74e5fbbd3f8323bfe2ffac7132008900870e96c113e7d4e7719b1c237c1663f
Timestamp:
Sunday 30 October 2022 at 09:37:46 UTC
()
Proposer:
Authorizers:
Gas used:
53